//
//  HHPerson.h
//  运行时自定义KVO
//
//  Created by Hello Cai on 2019/11/26.
//  Copyright © 2019 Hello Cai. All rights reserved.
//

#import "Person.h"

NS_ASSUME_NONNULL_BEGIN

@interface HHPerson : Person

@end

NS_ASSUME_NONNULL_END
